Cita APA (7th ed.)

Pasachoff, J. M. (1981). Contemporary astronomy. Saunders College.

Cita Chicago (17th ed.)

Pasachoff, Jay M. Contemporary Astronomy. Philadelphia: Saunders College, 1981.

Cita MLA (9th ed.)

Pasachoff, Jay M. Contemporary Astronomy. Saunders College, 1981.